| ZIP Codes: | 4 ZIP Codes (4 Standard, 0 PO Box, 0 Unique) [See All] |
| Area Codes: | 208 / 986 |
| Timezone: | Pacific (GMT -08:00) |
| Local Time: | 2:11:58 PM |
| Population: | 41,124 [See All] |
| FIPS: | 16069 |
| CBSA: | Lewiston, ID-WA |
| Land Area: | 580 sq mi |
| Water Area: | 5 sq mi |
| Coordinates: | 46.3211, -116.6859 |
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41,124 residents live across 4 ZIPs covering 580 sq mi, served by 4 distinct USPS-recognized cities.
Population moved from 38,359 to 41,124 from 2014 to 2024 — a +7.2% change. 2 ZIPs gained residents, 2 lost.
The county's wealthiest ZIP 83501 (Lewiston, $73,629 median) and poorest ZIP 83540 (Lapwai, $62,963) are 11.8 miles apart — a 1.2× income gap across local geography.
Median home values vary 1.7× across this county — from $205,100 in 83540 (Lapwai) to $340,600 in 83501 (Lewiston).
Density varies 14× across the county — from 9 people/sq mi in 83524 (Culdesac) to 123 in 83501 (Lewiston).
Educational attainment ranges from 13.8% bachelor's+ in 83545 (Peck) to 27.7% in 83501 (Lewiston) — the breadth of educational profiles across the area.
Within Idaho, this is the #10 most populous of 46 counties and ranks #30 for median household income with the #33 fastest decade growth .
Weighted by population, the typical household earns about $72,712 across the county — reflecting what a typical resident sees, not a simple ZIP average.
27.0% of adults age 25+ hold a bachelor's degree or higher (7,735 of 28,672 reporting).
4 Standard delivery, 0 PO Box only, 0 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.